<li class="{% if active %}active{% endif %}">
  <a tabindex="0" role="button" data-container="body" data-toggle="popover" data-trigger="hover" data-placement="top" data-html="true" title="{{'%name%活动'|trans({'%name%':setting('classroom.name')|default('班级'|trans)})}} {% if not active %}<small class='text-muted'>({{'暂未提供'|trans}})</span>{% endif %}" data-content="{{'不定期组织各种线上或线下的%name%活动，让学习更加生动有趣，同学关系更为紧密'|trans({'%name%':setting('classroom.name')|default('班级')})}}">{{'动'|trans}}</a>
</li>